| Date | November 2014 | Marks available | 1 | Reference code | 14N.1.HL.TZ0.17 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 17 | Adapted from | N/A |
Question
If both parents are heterozygous for sickle-cell anemia ( HbA HbS ), what percentage of their offspring will have a homozygous genotype?
A. 25
B. 50
C. 75
D. 0
Markscheme
B
Examiners report
[N/A]
Syllabus sections
Additional higher level » Topic 8: Metabolism, cell respiration and photosynthesis » 8.2 Cell respiration
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- 17M.2.HL.TZ2.2b.ii: Describe its function.
- 17M.2.HL.TZ2.2b.i: Describe its location.
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- 17M.1.HL.TZ2.14: This reaction occurs in mitochondria. What explains that this reaction enables energy to...
- 17M.1.HL.TZ1.29: The diagram shows a mitochondrion. Which letter indicates the structure where ATP synthase is...
- 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
- 16N.3.SL.TZ0.9a: Outline how a gene gun inserts genes into plants.
- 16M.2.HL.TZ0.4c: Mitochondria are thought to have evolved from prokaryotic cells. Describe two adaptations of...
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- 16M.1.HL.TZ0.10: The diagram represents the Krebs cycle. What processes are occurring at I and II?
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- 15M.3.SL.TZ1.8a: Draw a labelled diagram of the structure of a mitochondrion as seen under the electron...
- 15M.3.SL.TZ1.8b: Explain how the structure of a mitochondrion is related to its function.
- 15N.1.HL.TZ0.28: From which substrate is the first carbon dioxide molecule released during cellular...
- 15N.2.HL.TZ0.3c(i): One of the stages of aerobic respiration is called the link reaction. Label the diagram to...
- 15N.2.HL.TZ0.3c(ii): Outline the role of coenzyme A in aerobic respiration.
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- 13M.1.HL.TZ2.29: When is energy released in a cell? A. ADP combines with inorganic phosphate.B. ATP releases...
- 13N.1.HL.TZ0.30: What happens during oxidative decarboxylation of pyruvate?A. Reduction of NAD+ and oxidation...
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- 13M.3.SL.TZ2.5c: Explain the role of ATP in muscle contraction.
- 13M.3.SL.TZ2.8c: Describe how the link reaction and the Krebs cycle are related.
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- 13M.3.SL.TZ2.9c: Explain the role of cristae in mitochondria.
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- 11M.2.HL.TZ2.1f: Suggest one reason why the results differ for single mice and group mice.
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- 11M.2.HL.TZ2.1d: State the relationship between temperature and metabolic rate.
- 11M.2.HL.TZ2.1g: Explain why oxygen consumption is used as a measure of metabolic rate.
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- 11M.3.SL.TZ1.9b: Explain how the structure of a mitochondrion is adapted for its function.
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- 12M.1.HL.TZ1.28: What is the total number of ATP molecules used and produced during glycolysis?
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- 12M.1.HL.TZ2.28: What occurs during oxidative phosphorylation? A. ATP production using electrons from NADP B....
- 12M.3.SL.TZ1.8b: Outline the process of glycolysis.
- 12M.3.SL.TZ1.8a: Distinguish between oxidation and reduction.
- 12M.3.SL.TZ2.9a: Label the following micrograph of a mitochondrion.
- 12M.3.SL.TZ2.9b: Explain how oxidative phosphorylation occurs by means of chemiosmosis.
- 09M.1.HL.TZ1.28: In the mitochondrial electron transport chain, what is the last electron acceptor? A. CO2 B....
- 09M.1.HL.TZ1.27: Where is carbon dioxide produced in the mitochondrion?
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- 10M.2.HL.TZ1.1a (ii): Suggest two reasons for the relationship.
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- 10M.2.HL.TZ1.1c (ii): Suggest two reasons for the trends that you have described.
- 10M.2.HL.TZ1.1d (i): Diffusion of carbon dioxide only occurs when there is a concentration gradient. Deduce the...
- 10M.2.HL.TZ1.1d (ii): The graph provides evidence for the hypothesis that there will be no net diffusion of carbon...
- 10M.2.HL.TZ1.1f: Using the data in the graph, deduce the relationship between atmospheric carbon dioxide...
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- 10M.1.HL.TZ2.29: What is chemiosmosis? A. Coupling of ATP synthesis to the electron transport and proton...
- 10M.3.SL.TZ1.11b: State precisely where in a cell this stage of respiration is occurring.
- 10M.3.SL.TZ1.11a (i): Label pyruvate and acetyl coenzyme A on the diagram above.
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- 10M.3.SL.TZ1.11a (ii): Indicate two places where decarboxylation occurs on the diagram.
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- 11N.3.SL.TZ0.7c: Using the data, deduce, with reasons, whether anaerobic respiration provides some or all of...
- 12N.1.HL.TZ0.30: In the following diagram of a metabolic pathway, which letter represents acetyl CoA?
- 12N.1.HL.TZ0.29: The diagram represents components of the cristae in mitochondria. Which arrow indicates how...
- 12N.3.SL.TZ0.9a: Draw a labelled diagram showing the structure of a mitochondrion as seen under an electron...
- 12N.3.SL.TZ0.9b: Explain the relationship between the structure of the mitochondrion and its function.
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- 10N.3.SL.TZ0.8a(i): State two products of glycolysis.
- 09N.2.HL.TZ0.4c: Explain how chemiosmosis assists in ATP production during oxidative phosphorylation.
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- 09N.3.SL.TZ0.9c: Explain how any two structural features of the mitochondrion are related to its function.
